ColorMapEditor.h

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/***************************************************************************
    File                 : ColorMapEditor.h
    Project              : QtiPlot
--------------------------------------------------------------------
    Copyright            : (C) 2006 by Ion Vasilief
    Email (use @ for *)  : ion_vasilief*yahoo.fr
    Description          : A QwtLinearColorMap Editor Widget
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *  This program is free software; you can redistribute it and/or modify   *
 *  it under the terms of the GNU General Public License as published by   *
 *  the Free Software Foundation; either version 2 of the License, or      *
 *  (at your option) any later version.                                    *
 *                                                                         *
 *  This program is distributed in the hope that it will be useful,        *
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
 *  GNU General Public License for more details.                           *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
 *   Boston, MA  02110-1301  USA                                           *
 *                                                                         *
 ***************************************************************************/
#ifndef COLORMAPEDITOR_H
#define COLORMAPEDITOR_H

#include <QWidget>
#include <QLocale>
#include <qwt_color_map.h>

class QPushButton;
class QTableWidget;
class QCheckBox;
class DoubleSpinBox;


class ColorMapEditor: public QWidget
{
    Q_OBJECT

public:

    ColorMapEditor(const QLocale& locale = QLocale::system(), int precision = 6, QWidget* parent = 0);
    QwtLinearColorMap colorMap(){return color_map;};
    void setColorMap(const QwtLinearColorMap& map);
    void setRange(double min, double max);
    static QString saveToXmlString(const QwtLinearColorMap& color_map);

protected slots:
    void updateColorMap();
    void enableButtons(int row);
    void showColorDialog(int row, int col);
    void insertLevel();
    void deleteLevel();
    void setScaledColors(bool scale = true);
    void spinBoxActivated(DoubleSpinBox *);

    bool eventFilter(QObject *object, QEvent *e);

private:
    QTableWidget *table;    
    QPushButton *insertBtn, *deleteBtn;
    QCheckBox *scaleColorsBox;

    QwtLinearColorMap color_map;
    double min_val, max_val;
    QLocale d_locale;
    int d_precision;
};
   
#endif

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